Question

import java.util.List;    
import org.apache.hadoop.hive.service.HiveServerException;    
import org.apache.hadoop.hive.service.ThriftHive;    
import org.apache.hadoop.hive.service.ThriftHive.Client;    
import org.apache.thrift.TException;    
import org.apache.thrift.protocol.TBinaryProtocol;    
import org.apache.thrift.transport.TSocket;    
public class Hive_demo_02 {
/**
* @param args
*/
static TSocket transport;

static Client client=null;

private static Client getClient(String hiveServer, Integer hivePort)    
{

  final int SOME_BIG_NUMBER = 999999993;    
    try {
        transport = new TSocket(hiveServer, hivePort);    
    transport.setTimeout(SOME_BIG_NUMBER);    
    transport.open();    
    TBinaryProtocol protocol = new TBinaryProtocol(transport);    
    client = new ThriftHive.Client(protocol);    
    System.out.println("Connection is established");    
    return client;    
    }    
    catch (Exception e) {    
    e.printStackTrace();    
    return null;    
    }    
    }

}
private void show_databases(Client c1)

{

    if(c1!=null)

    {

try {

try {

    c1.execute("show databases;");

} catch (TException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

List<String> li = null;

System.out.println("hai");

try {

li = c1.fetchAll();

System.out.println(li);

System.out.println("hai");

} catch (TException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

System.out.println(" *** The Databases List *** ");

for (String string : li) {

System.out.println(string);

}

System.out.println(" -------------------------------- ");

Client c2=c1;

}
finally{

}

    }

}

private void create_databases(Client c1)

{

try {

c1.execute("create database IF NOT EXISTS jdbc_demo");

} catch (HiveServerException e) {

// TODO Auto-generated catch block

e.printStackTrace();

} catch (TException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

System.out.println(" *** jdbc_demo Databases is created *** ");

System.out.println(" -------------------------------- ");

Client c2=c1;

}

private void use_databases(Client c1,String db_name)

{

try {

c1.execute("use "+db_name);

} catch (HiveServerException e) {

// TODO Auto-generated catch block

e.printStackTrace();

} catch (TException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

System.out.println(" *** Changed Database to "+db_name+" *** ");

System.out.println(" -------------------------------- ");

Client c2=c1;

//return c2;

}

public static void main(String[] args) {

// TODO Auto-generated method stub

String HIVE_SERVER = "localhost";

Integer HIVE_PORT = new Integer(54310);

Client client = getClient(HIVE_SERVER, HIVE_PORT);

Hive_demo_02 obj=new Hive_demo_02();

obj.show_databases(client);

System.out.println(" Before Creating the Database jdbc_demo ");

obj.create_databases(client);

System.out.println(" After Creating the Database jdbc_demo ");

obj.show_databases(client);

System.out.println(" Changing to jdbc_demo Database ");

obj.use_databases(client,"jdbc_demo");

transport.close();

}

}

我在这个程序中遇到Broken pipe socket异常。任何人都可以帮助我吗？

Answer 1

我找到了解决方案。将端口号设置为 export HIVE_PORT = 10000 然后使用启动配置单元服务器 ./hive --service hiveserver

在以下程序中出现损坏的管道错误

1 个答案: